Question

if p(×) = 3x² – 1 find P(-1/2)​

Answer 1

$\Huge\boxed{°†Answer† °}$

$p(x) = 3x^{2} - 1 \: \: \: \: \: p( \frac{ - 1}{2}) \\ \\ p( \frac{ - 1}{2} ) = 3 \times ( \frac{ - 1}{2}) ^{2} - 1 \\ \\ = 3 \times \frac{1}{4} - 1$

$= 3 \times \frac{1}{4} - \frac{1}{1} \\ \\ = l \: c \: m \: is \: 4$

$= 3 \times \frac{1 - 1}{4} \\ \\ = 3 \times \frac{0}{4} \\ \\ = \frac{0}{4}$

$\Huge\boxed{Answer}$

$answer \: \: \implies \Huge\boxed{ \frac{0}{4}}$

Answer 2

P(x) = 3x² - 1

P(-1/2) = 3 x ( -1/2 ) ² - 1

3 x 1/4 - 1

3/4 - 1

( 3 - 4 ) / 4

Answer ➡ - 1/4